The Big Bang Theory Season 1 Episode 12 : The Jerusalem Duality

Sheldon is envious when he meets 15-year-old child prodigy Dennis Kim (Austin Lee). Losing faith in his research, Sheldon annoys his friends by criticizing their work. Deciding his work in physics is useless, he aims for the Nobel Peace Prize by attempting to solve the Middle East conflicts: he proposes the creation of an exact replica of Jerusalem in the Mexican desert.